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Analytical results for air samples, March 2002

Machine-extracted title · confidence 90%

Laboratory analytical results from PSC Analytical Services for ATC Associates work order regarding air sampling at a school.

NYC-WTC_000175024–000175027
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Scanned page image, NYC-WTC_000175027
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NYC 9/11 Public Portal Document

Mar £5 02 12:24p PSC Analytical Services 6109219GG7 p. 1 □

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EP/VNV'AP 101262-0 ■NYDOHWELAC 10903 ■NJDEP P.A02D • AIHA ACCREDITATION NO. 100439 -PADEP06-3S3 •CT OPH PH-0238 •NC DEMR 5S9 Analytical Results ANAJ^YTICAL SERVICES for ATC Associates Workorder: R02O30688 Client Reference; 19125-0246

Aiiaivte Concentration Limit of Test Date Analyzed Detection Mctltod /Analyst (ug) (rng/nP) : (ppm) (ug)

ClientID; VOC4 ATC-03 13-STY Lab ID: -04A Date Sampled; 3/1 3/02 Matrix: Charcoal Air Vol.(L): NA 1.1,1 -T richloroelhane <20 20 Total Hydrocarbon Sc 03/15/2002 J MM 1,2-Dichldroethiane <20 20 Total Hydrocarbon Sc 03/15/2002 J MM A Hydrocarbons. Total <20 20 Total Hydrocarbon Sc 03/1 5/2002 JMM Acelone <20 20 Total Hydrocarbon Sc 03/15/2002 J MM B Hydrocarbons, Total <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Benzene <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Chlorobenzene <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Chicroform <2C 20 Total Hydrocarbon Sc C3/1 5/2002 J MM Ethylbenzene <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Hexane <20 20 Total Hydrocarbon Sc 0'3/15/2002 J MM Isop'op/lbenzene <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Methylene Chloride <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Pentane <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Styrene <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Tetrachloroethiene <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Toluene <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Trichloroethene <20 20 Total Hydrocarbon Sc 03/15/2002 J MM Xylenes, Total <20 20 Total Hydrocarbon Sc 03/15/2002 J MM

Clienr ID: Ht'l ATC-0TI3-STY Lab ID; -05A Date Sampled: 3/13.'02 •RJatrix: HTBE Ail- Vol.(L): 96 rcury 0.0290 10302 Koi '\l6aO9M 03/18/2002 JDC

i Client irC Hg2 ATC-03 13-STY Lab ID; -06.A D.ite SaiSnled: 3/13/02 Matrix: HTBE Air VoL(L|: 96 Mercury > 0.0300 0.000312 0.01 N6009M 03/18/2002 JDC

Client ID: Hg3 ATC-ffSU3-STY Lab ID: Date Sampled: 3/13/O2 Matrix: HTBE Air Vol.(L): 96 Mercury 0.0300 '000312 0. N6009M 03/18/: JDC // A-.

Client ID: Hg4 ATC-O313-STY Lab ID: -OS.A Date Sampled; 3/13/02 Matrix; E Air Vol.(L): N.A Mercury 0.0290 0.01 N6009M 03/18/2002 JDC

Page 4 oT 7

CONFIDENTIAL, CITY_21MC100_003429251

SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175027

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NYC-WTC_000175027Source: NYC Law Department, mirrored locally

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